reliable_cg.h

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// -*- C++ -*-
/*! \file
 *  \brief BiCGStab Solver with reliable updates
 */
 
#ifndef __reliable_cg_h__
#define __reliable_cg_h__
 
#include "linearop.h"
#include "syssolver.h"
 
namespace Chroma 
{
 
  //! Bi-CG stabilized
  /*! \ingroup invert
   *
   * @{
   */
  SystemSolverResults_t
  InvCGReliable(const LinearOperator<LatticeFermionF>& A,
                const LatticeFermionF& chi,
                LatticeFermionF& psi,
                const Real& RsdCG, 
                const Real& Delta,
                int MaxCG);
 
  // Pure double
  SystemSolverResults_t
  InvCGReliable(const LinearOperator<LatticeFermionD>& A,
                const LatticeFermionD& chi,
                LatticeFermionD& psi,
                const Real& RsdCG, 
                const Real& Delta,
                int MaxCG);
 
  
   // single double
  SystemSolverResults_t
  InvCGReliable(const LinearOperator<LatticeFermionD>& A,
                const LinearOperator<LatticeFermionF>& AF,
                const LatticeFermionD& chi,
                LatticeFermionD& psi,
                const Real& RsdCG, 
                const Real& Delta,
                int MaxCG);
  
 
  /*! @} */  // end of group invert
            
}  // end namespace Chroma
 
#endif